Unable to set-up two factor authentication in Blockchain

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Blockchain is mostly known for its security measures and is also one the most secure cryptocurrency exchanges going around in the present scenario. They have taken all the obligatory and stern measures to provide the best possible protection for the Blockchain users. Two factor authentications is one such attribute of Blockchain. 2fa delivers extra safety to its users but on some occasions users are unable to set up two factor authentication. In such a case you must dial Blockchain suppport number to find an advanced assistance which helps you out in every possible way. The representatives of Blockchain are proactive and cooperative.